package com.yiibai.tutorial.javabasic.variable;
abstract class Bike4{
	abstract void run();
}
public class Honda4 extends Bike4{
		void run() { //run方法的实现
			System.out.println("running safely..");
		}
		public static void main(String args[]) {
			Bike4 obj = new Honda4();
			obj.run();
		}
}
